Color

#a3333d

#a3333d
hex#a3333d
rgbrgb(163, 51, 61)
hslhsl(355, 52%, 42%)
oklchoklch(0.49 0.147 19.4)
Closest name: brown (#a52a2a)Relative luminance 0.1049

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#33a39a

#a33374 · #a36233

#3da333 · #333da3

Split-complementary

Open in tool →

#33a362 · #3374a3

#74a333 · #33a39a · #6233a3

Contrast

#a3333d as textRatioAAAA largeAAAFix
Aaon white
6.78:1passpassfail
  • AAA: use #9f323b as the text (7.02:1)
Aaon black
3.1:1failpassfail
  • AA: use #c74d57 as the text (4.63:1)
  • AAA: use #d77f86 as the text (7.27:1)
  • AA: or shift the background to #d4d4d4 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a3333d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#a3333d reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a3333d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a3333d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3333d-c49e9c-62cb8f-2d241f-f1e9ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md